<template>
  <div style="border: 1px solid #ccc;">
    <Toolbar style="border-bottom: 1px solid #ccc" :editor="editorRef" :defaultConfig="toolbarConfig" :mode="mode" />
    <Editor style="height: 500px; overflow-y: hidden;" v-model="valueHtml" :defaultConfig="editorConfig" :mode="mode"
      @onCreated="handleCreated" />
    <el-button @click="sendVHtml">编辑完成</el-button>
    <el-button @click="valueHtml = ''">清空内容</el-button>
  </div>
</template>

<script setup>
import '@wangeditor/editor/dist/css/style.css' // 引入 css

import { onBeforeUnmount, ref, shallowRef, onMounted, defineEmits } from 'vue'
import { Editor, Toolbar } from '@wangeditor/editor-for-vue'

// 编辑器实例，必须用 shallowRef
const editorRef = shallowRef()

// 内容 HTML
const valueHtml = ref('')

// 模式
// 注意：模式为 unknow 时，editorRef.value.getHtml() 无法获取到内容 HTML
const mode = 'default'
// 定义 emit 事件
const emit = defineEmits(['vHtml']);
const sendVHtml = () => {
  emit('vHtml', valueHtml.value);
}

// 模拟 ajax 异步获取内容
onMounted(() => {
  valueHtml.value = ''
})

const toolbarConfig = {}
const editorConfig = {
  placeholder: '请输入内容...'
}

// 组件销毁时，也及时销毁编辑器
onBeforeUnmount(() => {
  const editor = editorRef.value
  if (editor == null) return
  editor.destroy()
})

const handleCreated = (editor) => {
  editorRef.value = editor // 记录 editor 实例，重要！
}
</script>
